Ôn Chương I

Ôn Chương I

10th Grade

64 Qs

quiz-placeholder

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Atomic Theory and Structure Chem I H

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Ôn Chương I

Ôn Chương I

Assessment

Quiz

Chemistry

10th Grade

Practice Problem

Medium

Created by

Khang Vĩnh

Used 1+ times

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64 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

Nguyên tử gồm những hạt cơ bản nào?

Proton, neutron, electron

Proton, electron, positron

Neutron, electron, photon

Proton, neutron, photon

2.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

Điện tích hạt nhân bằng:

Z (đv e)

A (đv e)

n (đv e)

A – Z (đv e)

3.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

Số khối A được tính bằng:

A = Z + n

A = Z – n

A = Z × n

A = Z / n

4.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

Electron có điện tích là:

+1,6×10^-19 C

–1,6×10^-19 C

0

+9,1×10^-31 kg

5.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

Hạt nào không mang điện?

Proton

Neutron

Electron

Tất cả đều mang điện

6.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

Nguyên tử Oxi (Z=8) có số electron lớp ngoài cùng là:

2

4

6

8

7.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

Nguyên tử Natri (Z=11) thuộc:

Chu kỳ 2, nhóm IA

Chu kỳ 3, nhóm IA

Chu kỳ 3, nhóm IIA

Chu kỳ 2, nhóm IIA

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